Between the Stealth and BP40, the Stealth comes out ahead in several specs, while the BP40 wins on max spl. Overall, the Stealth scores 73.9 and the BP40 scores 79.3 on our Mars Score.
Which should you buy?
The BP40 edges ahead on the Mars Score (73.9 vs 79.3), but the 5.4-point gap is small enough that the right pick comes down to which spec advantages matter to you.
The Stealth doesn't pull ahead on any single popular-comparison spec — its strengths sit in the spec table groups rather than the headline advantages.
Pick the BP40 if you care most about max spl. Its strongest claims are max spl.
Both ship with comparable type, connection, so those specs don't separate the two — focus on the differences below.
Bottom line: the BP40 is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Why Aston - Stealth wins
- No decisive advantages.
Why Audio-Technica - BP40 wins
- ▲Max SPL — 2.78% more. 148 dB vs 144 dB.
Spec comparison
Spec
| Spec | Aston - Stealth | Audio-Technica - BP40 |
|---|---|---|
| Type | Dynamic | Dynamic |
| Polar pattern | Cardioid | Hypercardioid |
| Frequency response | 30Hz–20kHz | 50Hz–16kHz |
| Max SPL | 144 dB | 148 dBlead |
Connectivity
| Spec | Aston - Stealth | Audio-Technica - BP40 |
|---|---|---|
| Connection | XLR | XLR |
| Headphone out | false | false |
Spec-level deep dives
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